To make sure that amber, cpmd and namd do not break in the CI

rocky8-eb-test/Dockerfile

@@ -40,7 +40,13 @@ RUN if [ ${USER_ID:-0} -ne 0 ] && [ ${GROUP_ID:-0} -ne 0 ]; then \
     userdel -f easybuild &&\
     if getent group easybuild ; then groupdel easybuild; fi &&\
     groupadd -g ${GROUP_ID} easybuild &&\
+    groupadd -g ${GROUP_ID} amber &&\
+    groupadd -g ${GROUP_ID} cpmd &&\
+    groupadd -g ${GROUP_ID} namd &&\
     useradd -l -u ${USER_ID} -g easybuild easybuild &&\
+    useradd -l -u ${USER_ID} -g amber easybuild &&\
+    useradd -l -u ${USER_ID} -g cpmd easybuild &&\
+    useradd -l -u ${USER_ID} -g namd easybuild &&\
     install -d -m 0755 -o easybuild -g easybuild /home/easybuild &&\
     chown --silent --no-dereference --recursive \
           --from=1000:1000 ${USER_ID}:${GROUP_ID} \